- AAA:
- Authentication, Authorization, and Accounting
- aka. 3A
is an architectural framework for configuring a set of three independent security functions in a consistent manner. AAA provides a modular way of performing authentication, authorization, and accounting services.
https://www.cisco.com/c/en/us/td/docs/routers/access/cisco_router_and_security_device_manager/24/software/user/guide/AAA.pdf